package day12;

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextInt()) { // 注意 while 处理多个 case
            int n = in.nextInt();
            for(int i = n / 2; i > 0; i++) {
                if(isPrime(i) && isPrime(n-i)) {
                    System.out.println(n-i);
                    System.out.println(i);
                    break;
                }
            }
        }
    }
    public static boolean isPrime(int m) {
        for(int i = 2; i < m / 2; i++) {
            if(m % i == 0) {
                return false;
            }
        }
        return true;
    }
}